Harsh Gear Shifts in 2020 Toyota RAV4
Harsh or abrupt gear shifts during every shift may indicate a transmission control issue, low fluid, or a faulty solenoid. While the symptom is described as a brake or steering issue, harsh shifts are typically transmission-related and can affect vehicle drivability and safety.
Diagnosis Details
Possible Causes
Low or contaminated transmission fluid
Faulty transmission control solenoid or valve body
Engine or transmission control module (ECM/TCM) software issue or calibration error
Related OBD-II Codes
Not satisfied with this diagnosis?
Try Another DiagnosisWhat To Do Next
What You Should Do
Check transmission fluid level and condition.
If low, top off with recommended fluid.
If fluid is dark or smells burnt, have it flushed and replaced.
Scan for diagnostic trouble codes (DTCs) using an OBD-II scanner.
If codes are present, inspect and possibly replace the affected solenoid or valve body.
Update ECM/TCM software if a technical service bulletin (TSB) exists.
Consult a professional mechanic for further diagnosis.
Share this diagnosis
Help others with similar symptoms
Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
